Q241
Open questionPick out the wrong statement pertaining to the turbine agitator.
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Chemical Engineering · all questionsMechanical Operations
Mechanical Operations
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Q242
Open questionA gravity decanter is meant for the separation of two __________ density.
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Q243
Open questionThe reduction ratio for fine grinders is
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Q244
Open questionWhich of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids ( > 50000 centipoise)?
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Q245
Open questionAddition of filter aid to the slurry before filtration is done to ...... of the cake.
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Q246
Open questionThe capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt.
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Q247
Open questionUse of baffles in agitators help in minimising the __________ tendency.
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Q248
Open questionFilter medium resistance is that offered by the
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Q249
Open questionWhich of the following size reduction equipments employs mainly attrition for ultrafine grinding?
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Q250
Open questionSphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle and D = equivalent diameter of particle).
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Q251
Open questionTraces of liquid tar fog present in coke oven gas is separated using
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Q252
Open questionPulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.
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Q253
Open questionThe power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to
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Q254
Open questionTabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about
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Q255
Open questionFiltration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.
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Q256
Open questionIn paint industries, blending of light paste is done by using a
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Q257
Open questionCapacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre, V = speed of the conveyor, metre/second, ρ = bulk density of material, kg/m3)
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Q258
Open questionClose circuit grinding by a ball mill with air sweeping employs a
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Q259
Open questionWhich of the following is a pressure filter?
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Q260
Open question__________ mill is normally used for grinding of talc.
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